23478297 has 4 divisors (see below), whose sum is σ = 31304400. Its totient is φ = 15652196.

The previous prime is 23478233. The next prime is 23478307. The reversal of 23478297 is 79287432.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23478297 - 2⁶ = 23478233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23478227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3913047 + ... + 3913052.

It is an arithmetic number, because the mean of its divisors is an integer number (7826100).

Almost surely, 2^23478297 is an apocalyptic number.

It is an amenable number.

23478297 is a deficient number, since it is larger than the sum of its proper divisors (7826103).

23478297 is an equidigital number, since it uses as much as digits as its factorization.

23478297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7826102.

The product of its digits is 169344, while the sum is 42.

The square root of 23478297 is about 4845.4408468167. The cubic root of 23478297 is about 286.3445120557.

The spelling of 23478297 in words is "twenty-three million, four hundred seventy-eight thousand, two hundred ninety-seven".